What Cars Had the 455 Engine?

Buick

1970-1976 Buick Electra
1970-1976 Buick LeSabre
1971-1976 Buick Riviera

Oldsmobile

1970-1976 Oldsmobile 98
1970-1976 Oldsmobile Delta 88
1971-1976 Oldsmobile Toronado

Pontiac

1970-1976 Pontiac Bonneville
1970-1976 Pontiac Catalina
1971-1976 Pontiac Grand Prix

History of the 455 Engine

The 455 engine was a large-displacement V8 engine that was produced by General Motors from 1970 to 1976. It was based on the earlier 400 engine, but with a longer stroke and larger bore. The 455 was available in two versions: a low-compression version with a power output of 360 horsepower, and a high-compression version with a power output of 370 horsepower. The 455 was a popular engine for muscle cars and high-performance vehicles, and it was also used in a number of trucks and SUVs.

Specifications of the 455 Engine

The 455 engine had the following specifications:

Displacement: 455 cubic inches (7.4 liters)
Bore: 4.125 inches (104.8 mm)
Stroke: 4.25 inches (108 mm)
Compression ratio: 10.25:1 (low-compression version) / 10.5:1 (high-compression version)
Horsepower: 360 hp @ 4600 rpm (low-compression version) / 370 hp @ 4800 rpm (high-compression version)
Torque: 510 lb-ft @ 3200 rpm (low-compression version) / 520 lb-ft @ 3400 rpm (high-compression version)

Performance of the 455 Engine

The 455 engine was a powerful and torquey engine that provided excellent performance in a variety of vehicles. It was particularly well-suited for muscle cars and high-performance vehicles, where its combination of power and torque made it a formidable competitor. The 455 was also a popular engine for trucks and SUVs, where its torquey nature made it ideal for towing and hauling heavy loads.

Legacy of the 455 Engine

The 455 engine is considered to be one of the most iconic engines in automotive history. It was a powerful and reliable engine that was used in a wide variety of vehicles. The 455 engine is still popular today, and it remains a sought-after engine for muscle car enthusiasts and collectors.